Inventor · disambiguated record
Takuji Hatakeyama
Also filed as: HATAKEYAMA TAKUJI
29 granted patents·20 pending applications·92 citations·filing 2008–2024
94Inventor score
Files withKWANSEI GAKUIN EDUCATIONAL FOUND37JNC CORP3NAKAMURA MASAHARU3UNIV KYUSHU NAT UNIV CORP2HATAKEYAMA TAKUJI1
Top patents by PatentIndex Score
49 records- 0195US10374166B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2014·Granted Aug 6, 2019·52 cites·42 claims
- 0294US10689402B2Polycyclic aromatic compound and light emission layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2016·Granted Jun 23, 2020·7 cites·31 claims
- 0389US10686141B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Jun 16, 2020·4 cites·18 claims
- 0485US9166176B2Polycyclic aromatic compoundHATAKEYAMA TAKUJI·Filed 2012·Granted Oct 20, 2015·9 cites·7 claims
- 0584US12473315B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2024·Granted Nov 18, 2025·0 cites·24 claims
- 0684US11723263B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Aug 8, 2023·4 cites·9 claims
- 0784US10680186B2Polycyclic aromatic compound and light emitting layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2016·Granted Jun 9, 2020·4 cites·16 claims
- 0883US11136341B2Polycyclic aromatic compound and light emission layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Oct 5, 2021·1 cites·11 claims
- 0982US10811613B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Oct 20, 2020·3 cites·21 claims
- 1078US11711970B2Organic electroluminescent deviceKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Jul 25, 2023·1 cites·20 claims
- 1177US11539003B2Polycyclic aromatic amino compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Dec 27, 2022·1 cites·15 claims
- 1277US11248009B2Polycyclic aromatic compound, material for an organic device, organic electroluminescent element, display apparatus and lighting apparatusKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Granted Feb 15, 2022·1 cites·16 claims
- 1376US11877506B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Jan 16, 2024·1 cites·23 claims
- 1475US2024360158A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2023·Application pending·0 cites
- 1574US11807656B2Polycyclic aromatic compound and light emission layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Nov 7, 2023·0 cites·9 claims
- 1674US11637249B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted Apr 25, 2023·1 cites·26 claims
- 1774US11407774B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Aug 9, 2022·2 cites·22 claims
- 1872US11800785B2Material for organic device and organic electroluminescent device using the sameKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted Oct 24, 2023·1 cites·20 claims
- 1970US2020144513A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2070US2020144514A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2170US2020144515A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2265US2020091431A1Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2363US11653565B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted May 16, 2023·0 cites·17 claims
- 2463US11637250B2Polycyclic aromatic compound and light emitting layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Apr 25, 2023·0 cites·6 claims
- 2561US2018047913A1Material for organic electroluminescent elements, organic electroluminescent element, display device, and lighting deviceJNC CORP·Filed 2017·Application pending·0 cites
- 2659US2015097162A1Material for organic electroluminescent elements, organic electroluminescent element, display device, and lighting deviceJNC CORP·Filed 2013·Application pending·0 cites
- 2759US2019214575A1Material for organic electroluminescent elements, organic electroluminescent element, display device, and lighting deviceJNC CORP·Filed 2019·Application pending·0 cites
- 2857US12185625B2Organic electroluminescence element, display device, and lighting deviceKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Granted Dec 31, 2024·0 cites·13 claims
- 2957US2020190115A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Application pending·0 cites
- 3055US2018301629A1Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2016·Application pending·0 cites
- 3154US2022077398A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Application pending·0 cites
- 3253US9741950B2Polycyclic aromatic compoundUNIV KYOTO·Filed 2015·Granted Aug 22, 2017·0 cites·7 claims
- 3349US8637710B2Catalyst for cross-coupling reaction comprising unsubstituted or substituted bisphosphinobenzenesNAKAMURA MASAHARU·Filed 2009·Granted Jan 28, 2014·0 cites·3 claims
- 3447US2023096132A1Cycloalkane-fused polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Application pending·0 cites
- 3546US11937495B2Organic light emitting element, composition and membraneUNIV KYUSHU NAT UNIV CORP·Filed 2019·Granted Mar 19, 2024·0 cites·8 claims
- 3646US11342506B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Granted May 24, 2022·0 cites·17 claims
- 3746US8211820B2Catalyst composition, and process for production of cross-coupling compound using the sameNAKAMURA MASAHARU·Filed 2008·Granted Jul 3, 2012·0 cites·20 claims
- 3845US11586169B2Production management deviceYAMAHA MOTOR CO LTD·Filed 2017·Granted Feb 21, 2023·0 cites·3 claims
- 3945US2020035921A1Organic semiconductor laser elementUNIV KYUSHU NAT UNIV CORP·Filed 2018·Application pending·0 cites
- 4044US2010185019A1Catalyst composition and process for producing cross-coupled compound using sameNAKAMURA MASAHARU·Filed 2008·Application pending·0 cites
- 4143US2019181350A1Deuterium-substituted polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Application pending·0 cites
- 4242US2023276708A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Application pending·0 cites
- 4342US2019312207A1Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Application pending·0 cites
- 4440US2019372023A1Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Application pending·0 cites
- 4540US2019058124A1Delayed fluorescence organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOND·Filed 2017·Application pending·0 cites
- 4639US11139438B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Granted Oct 5, 2021·0 cites·10 claims
- 4739US2022376179A1Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Application pending·0 cites
- 4838US11647666B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted May 9, 2023·0 cites·14 claims
- 4938US11600790B2Polycyclic aromatic compound for organic electroluminescent deviceKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted Mar 7, 2023·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →